Xin-Chen He is a PhD student at the University of Science and Technology of China, supervised by Yi-Fu Cai, and a joint PhD student at the Asia Pacific Center for Theoretical Physics under Misao Sasaki. His research interests lie in early universe cosmology, with recent focuses on primordial non-Gaussianities, cosmological bootstrap, and cosmological collider physics, as well as cosmological perturbation theory and gravitational waves from the early universe.